In a pan add 1/2 cup of water, toor dal and turmeric and cook till its get soft on low heat. There will be very little water left.

In another pan temper with the given ingredients and add ridge gourd, greenchillies and salt. Cook without covering the pan on medium heat till the ridge gourd gets soft. Add the toor dal and cook for some more time till all the moisture gets dried up. Serve warm.